{"product_id":"fosi-audio-zh1-smart-tuned-fully-balanced-desktop-dac-headphone-amplifier","title":"Fosi Audio ZH1 Smart-Tuned Fully Balanced Desktop DAC \u0026 Headphone Amplifier","description":"\u003ch3\u003eFosi Audio ZH1 Smart-Tuned Fully Balanced Desktop DAC \u0026amp; Headphone Amplifier\u003c\/h3\u003e  \u003cp\u003eExperience powerful, personalized desktop audio with the Fosi Audio ZH1 Smart-Tuned Fully Balanced Desktop DAC \u0026amp; Headphone Amplifier, an all-in-one Hi-Fi component designed for music enthusiasts, gamers, and headphone listeners who want exceptional sound with advanced customization. Featuring a premium ESS ES9039Q2M DAC, XMOS XU316 USB processor, and dual Texas Instruments TPA6120 amplifier chips, the ZH1 combines high-resolution digital-to-analog conversion with fully balanced Class-AB headphone amplification. Delivering up to 2,300mW per channel into 32 ohms through its balanced headphone output, the ZH1 provides ample power for compatible in-ear monitors and over-ear headphones. With AI-assisted parametric EQ, versatile digital connections, and customizable RGB lighting, the ZH1 brings modern performance and flexibility to your desktop listening setup.\u003c\/p\u003e  \u003cp\u003eAt the heart of the ZH1 is the ESS Sabre ES9039Q2M digital-to-analog converter, paired with an XMOS XU316 USB processor capable of decoding PCM audio up to 32-bit\/768kHz and DSD512. The fully balanced Class-AB amplification circuit uses two Texas Instruments TPA6120 amplifier chips to deliver detailed sound with low distortion and excellent dynamic range. Fosi Audio's carefully optimized circuitry provides a manufacturer-rated signal-to-noise ratio of at least 124dB, total harmonic distortion plus noise of 0.0002% or less, and a noise floor of 1.7µV or less. This combination helps preserve subtle musical details while providing the dynamic performance needed for demanding recordings, games, and movies.\u003c\/p\u003e  \u003cp\u003eOne of the ZH1's standout features is its Smart Acoustic Assistant, an AI-assisted parametric equalization system designed to simplify personalized sound tuning. Instead of manually adjusting complex EQ settings, users can describe their preferred sound characteristics or select listening presets optimized for gaming, movies, and music. The system can generate personalized parametric EQ profiles and reference an open-source headphone database to help align supported headphone frequency responses with the Harman Target. A dedicated web-based control panel provides visual EQ adjustment, profile management, and EQ file sharing, allowing listeners to fine-tune their sound without requiring extensive audio engineering knowledge.\u003c\/p\u003e  \u003cp\u003eDesigned to accommodate a wide variety of headphones, the Fosi Audio ZH1 features three headphone connections: a 3.5mm single-ended output, a 6.35mm single-ended output, and a 4.4mm balanced output. The 4.4mm balanced connection delivers up to 2,300mW per channel into 32 ohms, while the 6.35mm single-ended output provides up to 589mW per channel into 32 ohms. Three selectable gain levels allow the ZH1 to accommodate compatible headphones with impedances from 8 to 300 ohms, making it suitable for sensitive in-ear monitors as well as many full-size audiophile headphones. A convenient output-switching function lets users move between headphone playback and the rear stereo RCA output, with independent volume memory for each listening mode.\u003c\/p\u003e  \u003cp\u003eConnectivity is another strength of the ZH1. USB-C, optical, and coaxial digital inputs make it easy to connect compatible computers, CD transports, game consoles, and other digital audio sources. Support for USB Audio Class 1.0 expands compatibility with gaming systems such as the PlayStation 5 and Nintendo Switch, allowing the ZH1 to function as a dedicated gaming DAC and headphone amplifier. The rear stereo RCA output also allows the ZH1 to connect to compatible powered speakers or external amplifiers, making it a versatile centerpiece for desktop Hi-Fi systems that alternate between headphones and speakers.\u003c\/p\u003e  \u003cp\u003eThe ZH1 combines advanced audio functionality with a distinctive modern design. A 1.2-inch HD LCD displays essential playback information, while an aluminum rotary knob and touch-sensitive controls provide convenient access to volume, settings, and listening modes. A customizable RGB light ring offers nine dynamic lighting modes, including effects that respond to volume changes. Color, sensitivity, and lighting behavior can be adjusted through the web control panel, allowing the ZH1 to complement gaming stations, desktop audio systems, and minimalist listening spaces. With its combination of powerful balanced amplification, high-resolution audio conversion, intelligent sound tuning, and flexible connectivity, the Fosi Audio ZH1 offers a compelling all-in-one solution for personalized headphone listening and desktop Hi-Fi.\u003c\/p\u003e  \u003ch4\u003eSpecifications\u003c\/h4\u003e \u003cul\u003e   \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Fosi Audio\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e ZH1\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Fully balanced desktop DAC, headphone amplifier, and stereo preamplifier\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eAudio Channels:\u003c\/strong\u003e 2-channel stereo\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eAmplifier Class:\u003c\/strong\u003e Class-AB\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eAmplifier Architecture:\u003c\/strong\u003e Fully balanced headphone amplification\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eDAC Chip:\u003c\/strong\u003e ESS Sabre ES9039Q2M\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eUSB Audio Processor:\u003c\/strong\u003e XMOS XU316\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eHeadphone Amplifier Chips:\u003c\/strong\u003e 2 × Texas Instruments TPA6120\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eMaximum PCM Resolution:\u003c\/strong\u003e 32-bit\/768kHz\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eMaximum DSD Resolution:\u003c\/strong\u003e DSD512\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eMaximum Balanced Headphone Output Power:\u003c\/strong\u003e 2,300mW × 2 at 32 ohms, THD+N below 1%\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eMaximum Single-Ended Headphone Output Power:\u003c\/strong\u003e 589mW × 2 at 32 ohms, THD+N below 1%\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eSupported Headphone Impedance:\u003c\/strong\u003e 8–300 ohms\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eGain Settings:\u003c\/strong\u003e 3 selectable levels\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eSignal-to-Noise Ratio:\u003c\/strong\u003e At least 124dB\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eDynamic Range:\u003c\/strong\u003e At least 124dB\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eTotal Harmonic Distortion + Noise:\u003c\/strong\u003e 0.0002% or less\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eNoise Floor:\u003c\/strong\u003e 1.7µV or less\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eTotal Audio Input Types:\u003c\/strong\u003e 3\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eUSB Audio Input:\u003c\/strong\u003e 1 × USB-C\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eOptical Digital Input:\u003c\/strong\u003e 1 × TOSLINK\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eCoaxial Digital Input:\u003c\/strong\u003e 1 × coaxial S\/PDIF\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eUSB Audio Class Compatibility:\u003c\/strong\u003e UAC 1.0 support for compatible gaming consoles\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eGaming Compatibility:\u003c\/strong\u003e Compatible PCs, PlayStation 5, and Nintendo Switch\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eTotal Audio Output Types:\u003c\/strong\u003e 4\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003e3.5mm Headphone Output:\u003c\/strong\u003e 1 × single-ended stereo\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003e6.35mm Headphone Output:\u003c\/strong\u003e 1 × single-ended stereo\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003e4.4mm Headphone Output:\u003c\/strong\u003e 1 × balanced stereo\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eAnalog RCA Output:\u003c\/strong\u003e 1 × stereo RCA pair\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eRCA Output Function:\u003c\/strong\u003e Analog output for compatible powered speakers and external amplifiers\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eOutput Switching:\u003c\/strong\u003e Quick double-tap switching between headphone and RCA output modes\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eVolume Memory:\u003c\/strong\u003e Independent volume memory for headphone and RCA output modes\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eSound Customization:\u003c\/strong\u003e AI-assisted parametric equalization\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eEQ System:\u003c\/strong\u003e Smart Acoustic Assistant\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eEQ Presets:\u003c\/strong\u003e Optimized listening profiles for gaming, movies, and music\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003ePersonalized EQ Generation:\u003c\/strong\u003e Natural-language sound preference input\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eHeadphone EQ Database:\u003c\/strong\u003e Integration with an open-source headphone measurement database\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eHeadphone Target Matching:\u003c\/strong\u003e Harman Target frequency response alignment for supported headphones\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eEQ Customization:\u003c\/strong\u003e Web-based visual parametric EQ adjustment\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eEQ Sharing:\u003c\/strong\u003e Supports EQ file sharing through the web control interface\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eControl Interface:\u003c\/strong\u003e Web-based settings and EQ customization panel\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e 1.2-inch HD LCD\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eFront-Panel Controls:\u003c\/strong\u003e Aluminum rotary knob and touch-sensitive controls\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eRGB Lighting:\u003c\/strong\u003e Integrated customizable RGB light ring\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eLighting Modes:\u003c\/strong\u003e 9 dynamic RGB effects\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eVolume-Synchronized Lighting:\u003c\/strong\u003e Supported\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eLighting Customization:\u003c\/strong\u003e Adjustable color, sensitivity, and lighting effects through the web control panel\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003ePower Input:\u003c\/strong\u003e DC 12–15V\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eIncluded Power Supply:\u003c\/strong\u003e External power adapter\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eBuilt-In DAC:\u003c\/strong\u003e Yes\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eBuilt-In Headphone Amplifier:\u003c\/strong\u003e Yes\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eAnalog RCA Audio Inputs:\u003c\/strong\u003e 0\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eBalanced XLR Audio Outputs:\u003c\/strong\u003e 0\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eHeadphone Microphone Input:\u003c\/strong\u003e No dedicated microphone input listed\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003ePassive Speaker Amplification:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eSpeaker Binding Posts:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eStereo Speaker Pairs Powered Directly:\u003c\/strong\u003e 0\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eBluetooth Connectivity:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eWi-Fi Connectivity:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eApple AirPlay:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eBuilt-In Music Streaming Services:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eHDMI Inputs:\u003c\/strong\u003e 0\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eHDMI Outputs:\u003c\/strong\u003e 0\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eRemote Control:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eWeb-Based EQ Control:\u003c\/strong\u003e Yes\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003e12V Trigger Input:\u003c\/strong\u003e No dedicated connection listed\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003e12V Trigger Output:\u003c\/strong\u003e No dedicated connection listed\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eManufacturer Warranty:\u003c\/strong\u003e 24-month limited warranty\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eIncluded Accessories:\u003c\/strong\u003e Fosi Audio ZH1 DAC\/headphone amplifier, USB-A\/USB-C to USB-C cable, power adapter, and quick guide\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eWhat It's Great At\u003c\/h4\u003e \u003cul\u003e   \u003cli\u003e\n\u003cstrong\u003eAI-Assisted Personalized Sound:\u003c\/strong\u003e Smart Acoustic Assistant generates customized parametric EQ settings based on listening preferences, supported headphone measurements, and presets for gaming, movies, and music.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003ePowerful Fully Balanced Headphone Amplification:\u003c\/strong\u003e Dual Texas Instruments TPA6120 amplifiers deliver up to 2,300mW per channel into 32 ohms through the 4.4mm balanced output for compatible audiophile headphones.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eHigh-Resolution ESS Sabre DAC:\u003c\/strong\u003e The ES9039Q2M DAC and XMOS XU316 processor support PCM up to 32-bit\/768kHz and DSD512 for detailed digital audio reproduction.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eVersatile Headphone and Speaker Connectivity:\u003c\/strong\u003e Three headphone connections and stereo RCA outputs provide flexibility for switching between personal listening and compatible desktop speaker systems.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eHi-Fi and Gaming Compatibility:\u003c\/strong\u003e USB-C, optical, and coaxial inputs with UAC 1.0 support accommodate compatible computers, digital audio sources, and gaming consoles, including PlayStation 5 and Nintendo Switch.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eCustomizable Display and RGB Lighting:\u003c\/strong\u003e A 1.2-inch LCD, responsive controls, and nine adjustable RGB lighting effects provide clear playback information and a personalized desktop appearance.\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eFAQ Section\u003c\/h4\u003e  \u003cp\u003e\u003cstrong\u003eQ: What is the Fosi Audio ZH1?\u003c\/strong\u003e A: The Fosi Audio ZH1 is a fully balanced desktop DAC, headphone amplifier, and stereo preamplifier designed for high-resolution music, gaming, and personal audio. It combines an ESS ES9039Q2M DAC, XMOS XU316 USB processor, and dual TPA6120 headphone amplifier chips with AI-assisted parametric equalization and versatile digital connectivity.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: How much headphone power does the Fosi Audio ZH1 deliver?\u003c\/strong\u003e A: The ZH1 delivers a maximum of 2,300mW per channel into 32 ohms through its balanced 4.4mm headphone output and 589mW per channel into 32 ohms through its single-ended output, measured with THD+N below 1%. It supports compatible headphones with impedances ranging from 8 to 300 ohms and includes three selectable gain levels.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: What headphone connections does the Fosi Audio ZH1 have?\u003c\/strong\u003e A: The ZH1 provides three wired headphone connections: 3.5mm single-ended, 6.35mm single-ended, and 4.4mm balanced. This allows users to connect compatible in-ear monitors and over-ear headphones without requiring a separate headphone amplifier.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: How does the Fosi Audio ZH1 AI Smart PEQ feature work?\u003c\/strong\u003e A: The Smart Acoustic Assistant allows users to describe their preferred sound characteristics or select presets for gaming, movies, and music. It can generate personalized parametric EQ settings and reference a headphone measurement database to help align supported headphones with the Harman Target. A web-based control panel provides additional visual tuning and EQ management.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Does the Fosi Audio ZH1 support high-resolution audio?\u003c\/strong\u003e A: Yes. Its ESS ES9039Q2M DAC and XMOS XU316 USB processor support PCM playback up to 32-bit\/768kHz and DSD512 through compatible USB connections. Actual playback capability depends on the connected source, playback software, and selected audio format.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Can the Fosi Audio ZH1 connect to powered speakers?\u003c\/strong\u003e A: Yes. The ZH1 includes a stereo RCA output for connection to compatible powered speakers or external amplifiers. A convenient double-tap control switches between headphone and RCA output modes, and independent volume memory helps preserve preferred listening levels when changing outputs.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Can I use the Fosi Audio ZH1 with a PlayStation 5 or Nintendo Switch?\u003c\/strong\u003e A: Yes. The ZH1 supports USB Audio Class 1.0, providing compatibility with supported gaming consoles such as PlayStation 5 and Nintendo Switch. Its Smart Acoustic Assistant also includes gaming-focused EQ presets that can be customized to suit individual preferences.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Does the Fosi Audio ZH1 support Bluetooth, Apple AirPlay, or Wi-Fi streaming?\u003c\/strong\u003e A: No. The ZH1 is a wired digital audio component with USB-C, optical, and coaxial inputs. It does not include Bluetooth, Wi-Fi, Apple AirPlay, or independent network streaming services. The web-based control panel is designed for EQ and device customization rather than built-in wireless music playback.\u003c\/p\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":62887316455583,"sku":"FOS-ZH1-BLK","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0495\/6910\/4031\/files\/f9af7f92-8345-4c6c-9d1a-6047c4d23c2e.jpg?v=1791578528","url":"https:\/\/listenup.com\/products\/fosi-audio-zh1-smart-tuned-fully-balanced-desktop-dac-headphone-amplifier","provider":"ListenUp","version":"1.0","type":"link"}